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Finding the Fourth Proportional to 469.93, 703.77 and 225.67

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Solution

The fourth proportional to 469.93, 703.77 and 225.67 is: 337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.93 : 703.77 = 225.67 : x
  2. Step 2: Convert to fraction form
    469.93/703.77 = 225.67/x
  3. Step 3: Cross multiply
    469.93x = 703.77 × 225.67
  4. Step 4: Simplify right side
    469.93x = 158,819.78
  5. Step 5: Solve for x
    x = 158,819.78/469.93
  6. Step 6: Final answer
    x = 337.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.